Port Jefferson Sea Conditions and Tide Table

Port Jefferson Sea Conditions table showing wave height, swell direction and period.

High and low tide times are also provided on the table along with the moon phase and forecast weather. Sunrise today is at 06:13 AM and sunset is at 08:05 PM.

Days 1–3 Weather Summary

Light rain (total 2mm), mostly falling on Sat afternoon. Cool air temperatures (max 17°C on Fri afternoon, min 6°C on Sat night). Winds increasing (calm on Fri night, fresh winds from the SSW by Sat night).

Days 4–6 Weather Summary

Mostly dry. Cool air temperatures (max 17°C on Tue afternoon, min 5°C on Sun morning). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 3mm), mostly falling on Thu afternoon. Very mild (max 16°C on Wed afternoon, min 7°C on Wed night). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 6mm), mostly falling on Sat night. Very mild (max 14°C on Sun afternoon, min 7°C on Sat night). Wind will be generally light.

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
Wave Height Map
High Tide
2:06PM2.27m
3:33AM3.16m
3:17PM2.40m
3:58AM3.13m
4:13PM2.56m
4:17AM3.09m
5:00PM2.72m
4:34AM3.05m
5:43PM2.88m
6:24PM3.01m
5:10AM3.01m
7:05PM3.11m
5:32AM3.00m
7:47PM3.18m
5:57AM2.97m
8:33PM3.22m
6:25AM2.93m
9:25PM3.23m
6:57AM2.86m
10:22PM3.23m
7:37AM2.75m
11:23PM3.26m
Low Tide
9:16AM1.59m
8:24PM0.65m
9:48AM1.29m
9:13PM0.80m
10:16AM0.99m
9:55PM0.97m
10:42AM0.68m
10:34PM1.16m
11:07AM0.39m
11:10PM1.36m
11:34AM0.12m
11:47PM1.55m
12:03PM-0.11m
00:24AM1.75m
12:35PM-0.28m
1:02AM1.93m
1:10PM-0.39m
1:45AM2.10m
1:50PM-0.43m
2:34AM2.25m
2:34PM-0.41m
3:33AM2.35m
3:24PM-0.31m
4:46AM2.35m
Wave
height (m) 
direction
period (s) 
clear
clear
clear
clear
clear
clear
part cloud
light rain
rain showers
clear
cloud
clear
part cloud
clear
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
cloud
cloud
light rain
light rain
cloud
part cloud
cloud
part cloud
light rain
light rain
part cloud
part cloud
part cloud
cloud
cloud
cloud
clear
clear
clear
clear
clear
clear
some clouds
light rain
rain shwrs
clear
cloudy
clear
some clouds
clear
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
light rain
light rain
cloudy
some clouds
cloudy
some clouds
light rain
light rain
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
 km/h
20
N
20
NNW
10
NNE
10
NNE
15
N
5
NNE
10
SSE
25
SSW
20
SSW
5
ESE
15
N
0
SSW
15
N
15
N
5
NNE
10
N
10
N
5
SE
5
S
15
NNW
5
SSE
20
SSW
10
S
10
S
15
S
5
SSW
0
SE
5
SSW
10
NNE
10
ESE
10
SSE
10
N
5
SSE
10
SSE
15
S
10
S
 mm 
1.0
1.0
1.0
2.0
2.0
4
max°C
10
15
13
13
17
15
16
17
9
10
12
10
9
13
10
13
17
12
12
16
12
11
10
9
11
14
10
13
12
9
9
14
11
9
11
11
Moonrise
2:47
3:54
4:59
6:05
7:13
8:22
9:34
10:48
12:00
1:06
2:01
Moonset
4:41
4:57
5:10
5:23
5:36
5:51
6:08
6:29
6:58
7:36
8:28
9:33
Sunrise
6:13
6:11
6:09
6:07
6:05
6:03
6:03
6:01
5:58
5:58
5:56
5:54
Sunset
8:05
8:06
8:07
8:08
8:09
8:12
8:13
8:14
8:15
8:16
8:19
8:20
Today's sea temperature in Port Jefferson is 10.4 °C (Statistics for 18 Apr 1981-2005 – mean: 9.6 max: 10.9 min: 8.7°C)
Nearest